Laurel Electronics MAGNA Series Large Digit Displays User Manual
Page 2
LAUREL
ELECTRONICS INC.
, 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Process Signal Input
A/D Converter
Current Signal Types
Voltage Signal Types
Accuracy
Tempco, Scale
Tempco, Offset
Excitation
20-bit resolution
0-10 mA, 0-20 mA, 4-20 mA with 33Ω input resistance.
0-5V, 1-5V, 0-10V with 1 MΩ input resistance.
± 0.05% of range.
± 25 ppm/°C
± 30 ppm/°C
24 Vdc up to 40 mA, or ratiometric 0-10V for slide-wire
Strain Gauge / Load Cell Input
A/D Converter
Signal Gain
Accuracy
Tempco, Scale
Tempco, Offset
Excitation Output
20-bit resolution
Suitable for 0.5 mV / V to 4 mV / V load cells
± 0.05% of range.
± 25 ppm/°C
± 30 ppm/°C
Isolated 10V up to 120 mA to power up to four 350Ω load cells in parallel
Pulse Input for Frequency, Rate, Total
Number of Inputs
Signal Types
Debounce
Timing Reference
4
Configurable for contact closures, NPN or PNP proximity switches, 5V logic
pulses, 24V pulses, quadrature
Programmable to eliminate false counting from contact bounce.
Temperature-controlled quartz crystal.
Pulse Input for Clock Operation
Time Reference
Clock Format
Precision, temperature-compensated quartz crystal.
HH:MM or HH:MM:SS
Display
Number of Digits
Digit Height
Digit Color
Brightness
Numeric Format
Clock Format
4 or 6
57 mm (2-1/4"), 102 mm (4.0"), 150 mm (5.9"), or 200 mm (7.9")
Red
Variable
8.8.8.8. or 8.8.8.8.8.8. (standard)
HH:MM or HH:MM:SS (optional, specify at time of order)
User Controls
Scaling
Filtering
Rounding
Linearization
Digital direct or theoretical scaling with scale & offset.
Digital filtering, time constants adjustable from 0 to 25 sec.
Selectable last-digit rounding of 1, 2, 5, 10, 20, 50 units.
Up to 10 points, direct or theoretical calibration.
Logic Inputs
Font Panel Controls
Logic Functions
Logic Levels
Calibration, Tare, Reset, Max/Min, Alarms
Three logic inputs, individually configurable for Hold, Reset, Tare, Peak / Valley,
Net/Gross, Memory Address.
Normally open, NPN or contact closure input to activate.
5V open circuit, 1 mA switched current.
Power
AC Power (standard)
DC Power (option)
Max Consumption
100-240 Vac
11-30 Vdc
30 VA
Analog Output Option
Output Levels
Resolution
Accuracy
Stability
Output Isolation
Scaling
Special Features
0-20/4-20 mA into 0 to 500Ω, 0.4 µA resolution.
0-10V into loads > 600Ω, 0.2 mV resolution.
-10 to+10V into loads > 600Ω, 0.4 mV resolution.
16 bits
0.1% of range
50 ppm/°C
Isolated from input and power
Digitally scalable
Can be set to operate from net or gross value.